Police say resident said they saw a man - suspected to be a love - drop her off on a motorbike on Sunday evening before leaving the room wearing a surgical mask.

Police Commander Siripanaki Pirati from the Provincial Police Bureau Region 7 said: "Upon arriving at the scene we found a door locked with a padlock. The smell of rotting corpses spread throughout the outside of the room.

The commander continued: "We cut the lock to open the door. We found the young woman murdered lying face up and blood scattered across the room.

"She had been dead for two or three days. She was wearing a pink sweater and her underwear had been pulled down at the waist. There were traces of sharp cuts from the neck to the right.

"There is the sign of impact in particular the area of the left eye.’"